CNN CNN Tonight December 16, 2021 02:41:00
With a scenario like this that really just rocks you. >> i think i don't have to say correlation when talking about cte and football. i think i can say causation because of the work that you and others who work with you have done. but what about a propensity for violence or, as you say, impulse control? is that causal connection now established? >> well, it's something that -- we have 1,200 families who donated brains of former athletes and military veterans to our center. we consistently hear problems with mid life personal changes and multiple murder suicides with former nfl players that hav...